Mr. Fixit, the cartoon mechanic, guides readers through the working parts of motorcycles with the help of color illustrations and information on the different uses and history of the vehicles.
Follows the step-by-step process of a female trapdoor spider building its nest. Features step-cut pages to emphasize the way things get bigger as they grow.
Provides information about nuclear energy and its role in meeting the energy needs of world, and discusses the safety fears associated with nuclear energy, as well as the problem of nuclear waste.